881812256

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{41}}^2\times {\mathrm{97}}^1$

素因数の和:215

約数の個数: 108

約数和(自身を含む): 1946717766

約数和(自身を除く): 1064905510

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 41, 52, 82, 97, 104, 164, 169, 194, 208, 328, 338, 388, 416, 533, 656, 676, 776, 1066, 1261, 1312, 1352, 1552, 1681, 2132, 2522, 2704, 3104, 3362, 3977, 4264, 5044, 5408, 6724, 6929, 7954, 8528, 10088, 13448, 13858, 15908, 16393, 17056, 20176, 21853, 26896, 27716, 31816, 32786, 40352, 43706, 51701, 53792, 55432, 63632, 65572, 87412, 103402, 110864, 127264, 131144, 163057, 174824, 206804, 221728, 262288, 284089, 326114, 349648, 413608, 524576, 568178, 652228, 672113, 699296, 827216, 1136356, 1304456, 1344226, 1654432, 2119741, 2272712, 2608912, 2688452, 4239482, 4545424, 5217824, 5376904, 8478964, 9090848, 10753808, 16957928, 21507616, 27556633, 33915856, 55113266, 67831712, 110226532, 220453064, 440906128, 881812256]

約数ペア:

[(1, 881812256), (2, 440906128), (4, 220453064), (8, 110226532), (13, 67831712), (16, 55113266), (26, 33915856), (32, 27556633), (41, 21507616), (52, 16957928), (82, 10753808), (97, 9090848), (104, 8478964), (164, 5376904), (169, 5217824), (194, 4545424), (208, 4239482), (328, 2688452), (338, 2608912), (388, 2272712), (416, 2119741), (533, 1654432), (656, 1344226), (676, 1304456), (776, 1136356), (1066, 827216), (1261, 699296), (1312, 672113), (1352, 652228), (1552, 568178), (1681, 524576), (2132, 413608), (2522, 349648), (2704, 326114), (3104, 284089), (3362, 262288), (3977, 221728), (4264, 206804), (5044, 174824), (5408, 163057), (6724, 131144), (6929, 127264), (7954, 110864), (8528, 103402), (10088, 87412), (13448, 65572), (13858, 63632), (15908, 55432), (16393, 53792), (17056, 51701), (20176, 43706), (21853, 40352), (26896, 32786), (27716, 31816)]